Texas Instruments TMS320C28x Reference Manual page 417

OR IER,#16bit
OR IER,#16bit
SYNTAX OPTIONS
OR IER,#16bit
Operands IER
#16bit-
Mask
Description
Flags and
Modes
Repeat
Example
; Enable INT1 and INT6 only. Do not modify state of other
; interrupt's enable:
OR
6-260
0111 0110 0010 0011
CCCC CCCC CCCC CCCC
Interrupt enable register
16-bit immediate constant value
Enable specific interrupts by performing a bitwise OR operation with the IER
register and the 16-bit immediate value. The result is stored in the IER
register:
IER = IER OR #16bit;
None
This instruction is not repeatable. If this instruction follows the RPT
instruction, it resets the repeat counter (RPTC) and executes only once.
IER,#0x0061 ; Enable INT1 and INT6
OPCODE OBJMODE
Bitwise OR
RPT CYC
X − 2